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Personalis, Inc.
1W: +0.0% 1M: -3.5% 3M: +33.7% YTD: +102.3% 1Y: +68.0% 3Y: +1384.1% 5Y: -16.2%
$15.98
+0.10 (+0.63%)
After Hours: $15.72 (-0.26, -1.60%)
Weekly Expected Move ±2.0%
$15 $16 $16 $16 $16
NASDAQ · Healthcare · Medical - Diagnostics & Research · Tech Score Sell · Power 37 · $1.7B mcap · 73M float · 4.86% daily turnover · Short 57% of daily vol
Credit Risk of going bust: lower than 76% of companies Debt: 2.2% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the safest four tenths, about 1 in 3,500 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.00 (down more than 99.9%), Personalis, Inc. would be worth roughly what it owes.
Total debt $38.0M against a stock market value of $1.70B.
Distance to default 8.65 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $898K (short-term plus half of long-term), stock volatility 83.7%; Altman Z'' -2.16. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.

🏦 Institutional Activity

Latest: Q2 2026
183
Institutions Holding
+24 vs prior
67.2%
Ownership
+37.73%
45 New
68 Increased
57 Reduced
23 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-07-15 Chen Richard officer: president and cmo S-Sale 100,000 $15.15 $1.5M Filing
2026-07-09 Hall Christopher M officer: chief executive officer S-Sale 100,000 $15.08 $1.5M Filing
2026-07-09 Hall Christopher M officer: chief executive officer M-Option Exercise 100,000 $1.61 $161K Filing
2026-06-29 Tachibana Aaron officer: cfo and coo S-Sale 4,982 $14.00 $70K Filing
2026-06-26 Tachibana Aaron officer: cfo and coo S-Sale 51,251 $13.18 $675K Filing
2026-06-26 Hall Christopher M officer: chief executive officer S-Sale 100,000 $13.15 $1.3M Filing
2026-06-04 Tachibana Aaron officer: cfo and coo S-Sale 40,000 $12.01 $480K Filing
2026-05-29 Hall Christopher M officer: chief executive officer S-Sale 80,091 $11.02 $883K Filing
2026-05-29 Tachibana Aaron officer: cfo and coo S-Sale 38,799 $11.58 $449K Filing
2026-05-28 Hall Christopher M officer: chief executive officer S-Sale 19,909 $11.02 $219K Filing
2026-05-12 Bloom Olivia Kyusuk director A-Grant/Award 6,250 $— $0 Filing
2026-05-12 BOWMAN A BLAINE director A-Grant/Award 6,250 $— $0 Filing
2026-05-12 WIDDER KENNETH J director A-Grant/Award 6,250 $— $0 Filing
2026-05-12 EASTHAM KARIN director A-Grant/Award 6,250 $— $0 Filing
2026-05-12 EASTHAM KARIN director A-Grant/Award 6,250 $— $0 Filing
2026-05-12 MYERS WOODROW A JR director A-Grant/Award 6,250 $— $0 Filing
2026-05-12 Shoff Lonnie director A-Grant/Award 6,250 $— $0 Filing
2026-03-15 Moore Stephen Michael officer: svp and chief legal officer A-Grant/Award 28,125 $— $0 Filing
2026-03-15 Tachibana Aaron officer: cfo and coo A-Grant/Award 34,375 $— $0 Filing
2026-01-22 Tachibana Aaron officer: cfo and coo S-Sale 1,201 $11.50 $14K Filing
2025-12-22 Tempus AI, Inc. 10% owner P-Purchase 28,000 $8.93 $250K Filing
2025-12-19 Tempus AI, Inc. 10% owner P-Purchase 29,641 $8.39 $249K Filing
2025-12-18 Tempus AI, Inc. 10% owner P-Purchase 31,430 $7.91 $249K Filing
2025-12-17 Tempus AI, Inc. 10% owner P-Purchase 31,650 $7.86 $249K Filing
2025-11-25 Tempus AI, Inc. 10% owner P-Purchase 13,888 $11.00 $153K Filing

🏛️ Congressional Trades

3 records
Date Politician Chamber Type Amount Filing
2020-05-19 Brian Mast House Sell $15,001 - $50,000 Filing
2020-04-22 Brian Mast House Sell $1,001 - $15,000 Filing
2020-02-14 Brian Mast House Buy $15,001 - $50,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
Merck & Co., Inc. 14,044,943 $188M — 2026-06-30 Filing
ARK Investment Management LLC 8,271,339 $111M +327,227 2026-06-30 Filing
BlackRock, Inc. 7,082,491 $95M +1,692,606 2026-06-30 Filing
LIGHTSPEED MANAGEMENT COMPANY, L.L.C. 6,101,850 $82M -2,058,884 2026-06-30 Filing
AMERIPRISE FINANCIAL INC 6,086,315 $82M -1,506,492 2026-06-30 Filing
Deep Track Capital, LP 4,000,000 $54M +1,000,000 2026-06-30 Filing
Aberdeen Group plc 3,747,290 $50M +258,982 2026-06-30 Filing
VANGUARD CAPITAL MANAGEMENT LLC 3,010,150 $40M +141,687 2026-06-30 Filing
Casdin Capital, LLC 2,550,000 $34M +950,000 2026-06-30 Filing
KENNEDY CAPITAL MANAGEMENT LLC 2,364,282 $32M +180,710 2026-06-30 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,822,445 $24M +524,790 2026-06-30 Filing
BANK OF AMERICA CORP /DE 1,820,541 $24M +1,709,235 2026-06-30 Filing
AIGH Capital Management LLC 1,715,000 $23M -1,185,000 2026-06-30 Filing
Blue Water Life Science Advisors, LP 1,676,300 $22M — 2026-06-30 Filing
DIMENSIONAL FUND ADVISORS LP 1,496,983 $20M +430,735 2026-06-30 Filing
STATE STREET CORP 1,487,077 $20M +352,907 2026-06-30 Filing
MORGAN STANLEY 1,270,946 $17M +1,033,631 2026-06-30 Filing
GOLDMAN SACHS GROUP INC 931,031 $12M +193,899 2026-06-30 Filing
HRT FINANCIAL LP 930,816 $12M +721,925 2026-06-30 Filing
Nuveen, LLC 753,004 $10M +409,484 2026-06-30 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms